The Deutsche Mathematiker-Vereinigung (DMV) is a professional organization for mathematicians in Germany. Founded in 1890, it aims to promote mathematics and support mathematicians in their research and education. The DMV organizes conferences, publishes journals, and fosters collaboration among mathematicians at various levels. The DMV also plays a significant role in advocating for mathematics in education and public policy. It provides resources and networking opportunities for its members, which include researchers, educators, and students. Through its initiatives, the DMV seeks to enhance the visibility and importance of mathematics in society.